Beam head



Jan. 23, 1940. F. MO-SSBERG v BEAM HEAD- "Filed March 11, 1937 INVENTOR.

ATTORNEYS.

Patented Jan. 23, 1940 UNITED STATES PATENT OFFICE 7 Claims.

This invention relates to a beam head, and has for one of its objects a simple construction of beam head and one which may be more easily assembled than those which have heretofore been provided.

Another object of the invention is the formation of a beam head of such structure that the face portion or flange and the hub may be formed separately and afterward attached without welding or riveting any of the parts.

A further object of the invention is the formation of a beam head having ribs for stiffening or supporting the face portion or flange with a hub I separate from such ribs and assembled after the ribs are attached to the flange of the head.

Another object of the invention is the provision of a hub which will be freely. expandable and contractable, the same not being hampered in such expansion or contraction by its attachment to the head or flange.

With these and other objects in view, the invention consists of certain novel features of construction, as will be more fully described, and particularly pointed out in the appended claims.

In the accompanying drawing:

Fig. 1 is an end view of the outer surface of the beam head showing a fragmental portion of the barrel;

.Fig. 2 is a side elevation thereof;

Fig. 3 is a Vertical sectional view on line 3-3 of Fig. 1;

Fig. 4 is a sectional view on line 44 of Fig. 1;

Fig. 5 is a perspective view of one section of the hub illustrated in Figs. 1 and 2;

Fig. 6 is a view similar to Fig. 1 of a modified form of beam head but illustrating the same general principle as used in the figures heretofore described;

Fig. '7 is a view similar to Fig. 1 of a still different modification;

Fig. 8 is a perspective View of the hub utilized in Fig. I.

In the use of beam heads the face portion or flange of the head is usually of stock which is sufficiently thin so that some stiffening ribs are required. Such stiffening ribs are often formed upon the hub and various means are devised for attachment of the hub and ribs in position on the flange. Usually these require some more complicated arrangement than I provide, or mechanism which requires a flexing of the ribs or some structure which deters the free contraction or expansion of the hub. and in order to avoid these undesirable effects, I have provided a construction permitting full contraction and expansion of the hub within its operating range with the hub attached to the flange and ribs separately by a structure which will permit movement of the hub relative to the ribs and flange, and yet the hub is held firmly against the flange in all of its different positions of expansion or contraction, and the following is a more detailed description of the present embodiment of this inven-.

tion, illustrating the preferred means by which these advantageous results may be accomplished:

With reference to the drawing, the face portion or flange of the head i0 is rolled over as at H at its peripheral edge to stiffen the'same, while there is an opening H. for the reception of the barrel l3. Radial ribs M are Welded as at 45 to the outer surface of the flange l0 and in the showing of Figs. 1 to 5 inclusive these ribs consist of two forms designated respectively M and M", Ribs M" are notched as at E5, the notches opening inwardly toward the opening l2 in the flange it while the ribs M are provided with slots l6 spaced inwardlyfrorn their inner edges H as shown in Fig. 3, and are provided with projections 40 on both sides of the rib at a location spaced outwardly from" the slots [6. These ribs are attached to the outer surface of the flange W in advance of attachment of the hub.

The hub consists of two sections l8 of identical formation. These sections each consist of a curved arcuate part l9 and ears 20 extending in opposite directions. The cars are each provided with an inwardly extending lip 2! having a notch ll and an opening 22 while the arcuate part of the section is provided with a lug 23.

These hub sections are positioned with the lugs 23 in the recesses IS in the ribs 14 while the cars 20 extend in opposite directions along the ribs 14' with the lips 2i engaging the opposite surfaces of these ribs and their notches receiving the projections All. Bolts 24 extend through the openings 22 of the ears and through the slot opening iii of the rib It. These bolts each have heads 25 and are threaded at their opposite ends to receive nuts 26, the head 25 engaging one of the ears and the nut 25 engaging the other ear so that when the nut is turned on the bolt the ears will be drawn toward each other to contract the size of the hub and cause it to bind upon the barrel [3. As tightening occurs there will be a creeping of the bolts in the slots l6 and the lips along the ribs and projections 40 and also a relative movement of the lugs 23 in their slots [5. When the bolts are loosened and expansion takes place a reverse movement of hub in a greater number of sections than that illustrated in the figures heretofore described. Therefore, in Fig. 6 I have illustrated the hub provided in four sections 30. In this case all of the ribs 3| will be formed as are ribs l4 and in place of having lugs 23 and slots l5 the ears 20 will be duplicated at the ends of the quarter sections 30. Otherwise this head will be the same as in Fig. 1.

In Fig. 7 I have illustrated a still different modification. In this case the hub 33 is made in a single piece and is provided with ears 20 at its opposite ends of the structure identical to that heretofore described. Lugs 23 are also provided on this hub and one rib M will be constructed as heretofore described along which the ears 20 will extend and the bolt 24 pass through. Other ribs I4" will be provided as heretofore to receive the lugs 23 in the notches I5 while at the location diametrically opposite the rib I4 another rib l4 will be located which, instead of being notched or slotted, will have a plain end portion I! which will be welded as at 35 to the hub 33 to maintain it in place at this location, or if desired, this rib, of course, may be formed as M" and lug 23 may be inserted thereinto. ;I-Iowever, as no movement is necessary at this location as the contraction takes place from the opposite sides this rib may be anchored permanently and firmly to the hub as above specified.

Thus it will be apparent that an entirely independent hub is provided with the ribs firmly attached to the outer surface of the face portion or flange which they are to support, thus providing a firmer and better supported flange and a better and more flexible contractable hub which is unhampered in its movement and yet is maintained in its desired location at all times regardless of its contracted position.

The foregoing description is directed solely towards the construction illustrated, but I desire it to be understood that I reserve the privilege of resorting to all the mechanical changes to which the device is susceptible, the invention being defined and limited only by the terms of the appended claims.

I claim:

1. A beam head comprising a flange, ribs fixed on the outer surface of the flange, an individual hub having ears extending along opposite surfaces of one of said ribs, each ear provided with a lip at its end directed inwardly to engage said rib and space the ears therefrom, means on said rib engaging said lip for movably holding the edge of the hub against said flange, and means for moving said ears toward each other to vary the size of said hub.

2. A beam head comprising a flange, ribs fixed on the outer surface of the flange, an individual hub having ears extending along opposite surfaces of one of said ribs, each ear provided with a lip at its end directed inwardly to engage said rib and space the ears therefrom, means on said rib engaging said lip for movably holding the edge of the hub against said flange, and means for moving said ears toward each other to vary the size of the hub, said means also engaging the adjacent rib for attaching the hub to the flange.

3. In a beam head, a flange, a plurality of radial ribs fixed to said flange, an individual hub, contracting means for the hub engaging two of the ribs and means interlocking the hub with other of the ribs, said means movably holding the edge of the hub against the flange.

4. In a beam head, a flange, a plurality of radial ribs fixed to said flange, an individual hub, contracting means for the hub engaging one of the ribs and means interlocking the hub with other of the ribs, said interlocking means comprising a slot in one part and a lug on the other part extending the-reinto.

5. In a beam head, a flange, a plurality of radial ribs fixed to said flange, an individual hub, contracting means for the hub engaging one of the ribs and means interlocking the hub with other of the ribs, said interlocking means comprising a slot in the end edge of the rib and a lug on the hub extending into the slot.

6. In a beam head, a flange, a plurality of radial ribs fixed to the outer surface of said flange and extending a substantial distance axially beyond the outer surface thereof, a hub having spaced end portions movable towards each other for contraction of the hub, interlocking means at the movable end portions of the hub connecting the hub and the ribs and positioned only axially outwardly beyond the outer surface of said flange and arranged for movably holding the hub against the flange, and additional means positioned radially inwardly of said interlocking means for contraction of the hub.

7. In a beam head, a flange, a plurality of radial ribs fixed to the outer surface of said flange and extending a substantial distance axially beyond the outer surface thereof, a hub having spaced end portions movable towards each other for contraction of the hub, interlocking means at the movable end portions of the hub on said hub and ribs movably connecting the hub and the ribs and positioned only axially outwardly beyond the outer surface of said flange, and additional means passing through one rib for contraction of the hub, said contracting means also assisting in holding the edge of the hub against the flange.

FRANK MOSSBERG. 

